<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			html,body{
				width: 100%;
				height: 100%;
				background-color:rgb(244 244 244 / 53%);
			}
			
			.main_container{
				 position: absolute;
				 left: 50%;
				 top: 50%;
				 transform: translate(-50%, -50%);
			}
			.img{
				width: 509.5px;
				height: 379px;
			}
			.text-content{
				display: block;
				text-align: center;
				margin-top: 10px;
				color: #606266;
				font-weight:bold;
				text-decoration:inherit;
				font-size: 20px;
				letter-spacing: 10px; 
			}
		</style>
	</head>
	<body>
		<div class="main_container">
			<div align="center">
				<img class="img" src="">
			</div>
			<a class="text-content">网站系统正在升级维护中,请稍后再试</a>
		</div>
	</body>
</html>